npm install  --save-dev babel-preset-es2015
npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR!
npm ERR! While resolving: react-router-sitemap@1.2.0
npm ERR! Found: react@18.1.0
npm ERR! node_modules/react
npm ERR!   peer react@"^18.0.0" from @testing-library/react@13.2.0
npm ERR!   node_modules/@testing-library/react
npm ERR!     @testing-library/react@"^13.2.0" from the root project
npm ERR!   peer react@"^18.1.0" from react-dom@18.1.0
npm ERR!   node_modules/react-dom
npm ERR!     peer react-dom@"^18.0.0" from @testing-library/react@13.2.0
npm ERR!   peer react@"^15.1.0 || ^16.0.0" from react-router-sitemap@1.2.0
npm ERR!   node_modules/react-router-sitemap
npm ERR!     react-router-sitemap@"^1.2.0" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR!
npm ERR! See C:\Users\Bharath Kannan\AppData\Local\npm-cache\eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Bharath Kannan\AppData\Local\npm-cache\_logs\2022-05-23T19_02_08_786Z-debug-0.log